The search service can find package by either name (apache),
provides(webserver), absolute file names (/usr/bin/apache),
binaries (gprof) or shared libraries (libXm.so.2) in
standard path. It does not support multiple arguments yet...

The System and Arch are optional added filters, for example
System could be "redhat", "redhat-7.2", "mandrake" or "gnome",
Arch could be "i386" or "src", etc. depending on your system.

System
Arch

RPM resource xclipboard

The xclipboard program is used to collect and display text selections that are
sent to the clipboard by other clients. It is typically used to save clipboard
selections for later use. It stores each clipboard selection as a separate
string, each of which can be selected. Each time clipboard is asserted by
another application, xclipboard transfers the contents of that selection to a
new buffer and displays it in the text window.